Wireless keyboard



FIG. 1 is a perspective view of a wireless keyboard showing my newdesign;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The ornamental design for a wireless keyboard, as shown and described. 